<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
   <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<strong>您的年龄：${param.age }属于</strong>
<c:choose>
  <c:when test="${param.age<=18 }">
  少年
  </c:when>
</c:choose>


<c:choose>
  <c:when test="${param.age>18  && param.age<=30}">
 中年
  </c:when>
</c:choose>

<c:choose>
  <c:when test="${param.age>30  && param.age<=50}">
  少年
  </c:when>
   <c:otherwise>
 老年
 </c:otherwise>
</c:choose>






  <c:if test="${param.age<=18 }">
  少年
  </c:if>
  <c:if test="${param.age>18  && param.age<=30}">
  青年
  </c:if>
   <c:if test="${param.age>30  && param.age<=50}">
  中年
  </c:if>
   <c:if test="${param.age>50}">
  老年
  </c:if>
</body>
</html>